package com.ynny.mapper;

import com.ynny.entity.Student;

import java.util.List;

public interface StudentMapper {
    int insertStudent();
    int updateStudent();
    int deleteStudent();
    List<Student> selectAllStudent();



    int updateStudentBynumber();
    List<Student> selectStudentByidentity();
    int deleteStudentBynumber();




}
